Allows you to use a Raspberry Pi Zero to output a perfect digital image via HDMI. The pixel clock is derived in a very different way to other implementations which means no Denise / Super Denise jumper and no "sparkling" pixels.The newer v2.1 is designed to be easier to build and easier for the user to install, with the Pi facing the rear of the Amiga so that the HDMI can be plugged directly into it.For BOM and software / firmware setup details please see the README file here: https://github.com/LinuxJedi/AmigaRGBtoHDMI/tree/main/Amiga2000CPLDSlot

Couple of months ago, I bought a "Raspberry Pi Pico" to get some hands-on experience of it and to create some amazing projects using it. But since then, it has just been sitting on my desk, collecting dust. Today after a very long wait, I finally have decided to create a short video tutorial to show you guys how to get started with the Raspberry Pi Pico.Topics Covered In this tutorial, I am going to discuss:1. What is a Raspberry Pi Pico?2. The technical specifications of the board3. How to program Pico using C/C++ and MicroPython a. Programming Raspberry Pi Pico using "Arduino IDE" i. Preparing the Arduino IDE ii. Loading the Blink Example iii. Demo b. Programming Raspberry Pi Pico using "Tonny Python IDE" i. Installing MicroPython on Pico ii. Installing Tonny Python IDE iii. Loading the Blink Example iv. Demo4. Difference between Raspberry Pi Pico and Arduino5. Advantages and Disadvantages of this boardWhat is Raspberry Pi Pico?Raspberry Pi Pico is a low-cost microcontroller. It can be used to control other electronic modules and sensors same as any other microcontroller.Pico is not a Linux single board computer, rather it is a microcontroller like Arduino. Since, its a microcontroller it doesn't come with all the overheads that a computer brings and hence consumes much less current. actually it is more like Arduino than Raspberry Pi.Pico is not a rival of Raspberry Pi Zero, it actually can work in conjunction with the regular Pi's.Pico is breadboard friendly and has 40 GPIO pins operating at 3.3v (20 on each side). It has a Dual-Core ARM Cortex M0+ processor. Pico's brain - the RP2040 microcontroller chip is designed by Raspberry Pi in United Kingdom. It can be powered either via the micro USB port, or via the VSYS GPIO pin by providing voltage between the range of 1.8V to 5.5V.Technical Specifications of PicoRaspberry Pi Pico is absolutely different from all other Raspberry Pi models. Pico is one of the first microcontrollers to use the RP2040 "Pi Silicon" processor. It is a custom "System on Chip" (SoC) developed by the Raspberry Pi team in UK which features a dual core Arm Cortex M0+ processor running at 133 MHz, 264KB of SRAM and 2MB of flash memory for storing files on it. Specifications:- Microcontroller: RP2040 designed by Raspberry Pi in the UK- Processor: Dual-Core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz- Input power: 1.8 - 5.5 V DC- Operating temperature: -20°C to +85°C- Dimensions: 51.0 x 21.0 mm - Onboard Sensors: Temperature Sensor- Memory: 264KB of on-chip internal SRAM and can support up to 16MB of off-chip Flash 2MB on-board QSPI Flash (Adafruit's Feather RP2040, features 16MB of storage)- GPIO: It has 40 GPIO through-hole pins also with edge castellation- 26 × multi-function 3.3V GPIO pins, which includes 3 analogue inputs (The Analog inputs is something other Raspberry Pi's lack. They use variable voltages to connect to devices like a potentiometers, joystick or a LDR) - 2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels- 8 × Programmable I/O (PIO) state machines for custom peripheral support that can offload many kinds of timing-critical processes from the CPU - Other Features:- 1 × Contains 1 × USB 1.1 controller and PHY, with host and device support- Accurate clock and timer on-chip - Low-Power sleep and dormant modes- Accelerated integer and floating-point libraries on-chip- Works with Windows, Mac, Linux machines and Raspberry Pi Computers- Provides drag-and-drop programming using mass storage over USBThe one biggest disadvantage of the Raspberry Pi Pico is that there is no WiFi or Bluetooth on it. ESP32 and ESP8266 which you can buy for similar price comes with WiFi and Bluetooth (ESP32). Surely we can add wireless connectivity via external components, however that would require a little bit more knowledge and experience to get it working.Since Pico is not a computer, we need to write our codes on a different machine using an external application and then "flash" the code onto the microcontroller over USB.Pinout Diagram: Here is the top view of the pinouts on the Raspberry Pi Pico. The pin-labels are on the bottom side of the board.How to program Pico using C/C++ and MicroPythonPi Foundation officially supports MicroPython and C/C++, however high-level programming language like CircuitPython (A fork of MicroPython created by Adafruit), and Drag and Drop Python Editor like Pico Piper which adds further enhancements and can be used to program the Pico boards.Programming Raspberry Pi Pico using Arduino IDEPython and C/C++ are both great for programming Picos. However, being able to program a Pico just like an Arduino would help us to integrate the Pico into the Arduino ecosystem. One of the best reasons to do this is because of the availability of libraries to integration of modules, sensors, and other complex stuff without having to write the entire code from scratch.i. Preparing the Arduino IDETo start, let go to Tools > Boards > Boards Manager and search for "Pico", select "Arduino Mbed OS RP2040 Boards" and hit the install button.Connect the micro USB cable to the Pico and then press and hold the "BOOTSEL" button before plugging the USB cable into the computer. Release BOOTSEL once the drive RPI-RP2 appears on your computer.Now, go to Tools > Port and you will now be able to see the number of the COM Port.ii. Loading the Blink ExampleGo to Files > Examples > Basics > Blink and click on Upload, this will load the code to the Pico board.iii. DemoAfter the IDE finished uploading the code, you will see the Pico's onboard LED blinking.You can now use your Pico like an Arduino and program it using the Arduino IDE.Programming Raspberry Pi Pico using Tonny Python IDEYou can program your Pico using MicroPython by connecting it to a computer via USB and then dragging and dropping files to it.i. Installing MicroPython on PicoInstallation of MicroPython on Pico requires a "UF2" file to be copied onto it. A UF2 file is a "binary data file" which contains a program that can be transferred from a PC to a microcontroller, such as an Arduino or Pico circuit board. To load MicroPython on Pico:1. Download "MicroPython UF2 file" from the link provided in the description below.2. Connect the micro USB cable to the Pico and then press and hold the "BOOTSEL" button before plugging the USB cable into the computer. Release BOOTSEL once the drive RPI-RP2 appears on your computer.3. Drag and drop the UF2 file onto the RPI-RP2 volume. 4. Your Pico will reboot. That's it, you are now running MicroPython on your Pico.ii. Installing Tonny Python IDETo write code and save files to Pico we are going to use the "Thonny Python IDE". Thonny comes with built-in Python 3.7, so just one simple installer is what you need to learn programming. To get started:1. Download and install "Thonny" free from the Thonny website for your version of OS. The website's link is in the description below. Note: If you are running "Raspberry Pi OS" then Thonny is already installed on it, but may need to update it to the latest versionsudo apt update && sudo apt upgrade -y2. Connect the Raspberry Pi Pico to your computer. Then, in Thonny go to Tools > Options and click on the "Interpreter" tab. From the interpreter dropdown list select "MicroPython (Raspberry Pi Pico)". The port dropdown menu can be left to "automatically detect the Pico". Click "OK" to close. 3. A Python Shell called "REPL" (Read, Eval, Print, Loop) will popup to show that the Pico is connected and working.iii. Loading the Blink Example1. Click in the main editor pane of Thonny and enter the following code to toggle the onboard LED.from machine import Pin, Timerled = Pin(25, Pin.OUT)timer = Timer()def blink(timer):led.toggle() timer.init(freq=2.5, mode=Timer.PERIODIC, callback=blink)2. Click the "Run" button to execute the code. 3. Thonny will ask whether you want to save the file on "This computer" or the "MicroPython device". Choose "MicroPython device". Enter "blink.py" as the file name. Make sure you enter ".py" as the file extension so that Thonny recognizes it as a Python file. iv. DemoYou should now see the onboard LED switching between on and off until you click the Stop button.Difference between Raspberry Pi Pico and Arduino* Before Raspberry Pi Pico, Raspberry Pi has always been know for their single board computers. However, in 2021 Raspberry Pi Foundation stepped a few steps forward and launched the Raspberry Pi Pico giving a head-to-head challenge to Arduino and all other board based microcontrollers.* Arduino was first introduced in 2005 and since then Millions of Arduino Units have been sold in the market. Compared to that, the response Pico received after its initial launch in 2021 is absolutely mind-blowing.* Both units are made for automating applications that don’t involve human intervention. * Pico can be used alone or in combination with Arduino for Automation and AI purposes. * Both modules are different in terms of power consumption, value, functionality, and price.* Pico boards come unsoldered however Arduino comes pre-soldered or unsoldered.* Pico module supports MicroPython and C/C++, while Arduino codes are written in C/C++ using Arduino.IDE.So which one to go for… Pico or Arduino?Advantages and DisadvantagesNow lets have a look at the Pros and Cons of this microcontroller board.Advantages: * Raspberry Pi Pico is cheap, very small, and easy to use microcontroller * Pico is a dual core device coupled to a high-performance bus matrix, which means its both cores can give you the full performance concurrently * Pico consumes very low power * Pico is a breadboard friendly * Pico can be programmed using C/C++ and MicroPython * Pico can be programmed using Arduino IDE * Pico has 26 × multi-function 3.3V GPIO pins (23 Digital + 3 Analogue) * Pico comes with 8 x Programmable IO (PIO) and 2 x Analog Inputs * Pico boots quickly and doesn’t require a safe shutdownDisadvantages: * Pico completely lacks WiFi and Bluetooth without any add-ons * It lacks the GPIO markings on the top side of the board * The board comes unsoldered so you will have to solder the header pins or surface mount it to use it in your project * GPIO pins are 3.3V, which could be seen as a disadvantage, however devises designed for 5V can still be used with 3V via a voltage divider or a logic level converter. * Pico still uses micro-USB port. While many other microcontrollers have moved to USB-C, Pico is still coming with the micro-USB portIf you have a Windows, Apple, Linux or even a Raspberry Pi, then you are already well in your way to program the small, cute, and gorgeous Raspberry Pi Pico in your next project. I bet, there must be a lot of project ideas going in your mind, so get your supplies and start coding. And, what are you waiting for???ThanksThanks again for checking my post. I hope it helps you.If you want to support me subscribe to my YouTube Channel: https://www.youtube.com/user/tarantula3Blog Posts: https://diyfactory007.blogspot.com/2022/01/getting-started-with-raspberry-pi-pico.htmlVideo: https://youtu.be/vO_2XWJDF70Other Resources:RP2040 Datasheet : https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdfHardware design with RP2040 : https://datasheets.raspberrypi.com/rp2040/hardware-design-with-rp2040.pdfRaspberry Pi Pico Datasheet : https://datasheets.raspberrypi.com/pico/pico-datasheet.pdfGetting started with Raspberry Pi Pico : https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdfMicroPython UF2 : https://micropython.org/download/rp2-pico/rp2-pico-latest.uf2Thonny website : https://thonny.org/Piper Make: https://make.playpiper.com/CircuitPython 7.1.0: https://circuitpython.org/board/raspberry_pi_pico/Support My Work:BTC: 1M1PdxVxSTPLoMK91XnvEPksVuAa4J4dDpLTC: MQFkVkWimYngMwp5SMuSbMP4ADStjysstmDOGE: DDe7Fws24zf7acZevoT8uERnmisiHwR5stETH: 0x939aa4e13ecb4b46663c8017986abc0d204cde60BAT: 0x939aa4e13ecb4b46663c8017986abc0d204cde60LBC: bZ8ANEJFsd2MNFfpoxBhtFNPboh7PmD7M2Thanks, ca again in my next tutorial.

See the documentation on GitHub and the following Instructable:https://www.instructables.com/IV-Swinger-2-PCB-PV-Module-FETThe IV Swinger is an IV curve tracer for photovoltaic solar panels. Both the hardware design and the software are open source.This GitHub repository contains the IV Swinger documentation, software and open source licensing files.IV Swinger 2 is here! It is much smaller, cheaper and easier to build, and better than the original in almost every way. Step-by-step construction instructions are included in the repository,All IV Swinger 2 documentation is now available:IV Swinger 2: User GuideIV Swinger 2: Optional Environmental SensorsIV Swinger 2: Design and Theory of OperationIV Swinger 2: Step-by-step Construction (for each variant)Fritzing filesPCB schematicsBills of materials (BOMs) for each variantYouTube demo videos (IV Swinger 2):YouTube demo video (IV Swinger):

Hi, I'm a Rudolph and you know me from Santa's Stories, and I'm here to help him to bring messages from all around the world directly to your Christmas tree.Nowadays with some travel restrictions, Santa's asked me some genial Ideas to make happier people, and looking at my desk I found some DIY materials and with some effort, I've created my first IoT device (I'm fancy). Let me show "my precious":I've got an Espressif MCU called ESP32 (in Node32s dev board) and an Oled display (SSD1309) with 2.4" and 128x64 pixels, some headers, and a cool PCB (did you like?) that works with a Firmware that can connect to the Internet and receive messages from a Twitter account and show on the screen.First, you will need to configure Internet Connection, and after you will be guided to get your Twitter API credentials and spread two the world how all the universe can send a graceful message directly to your Christmas tree.All this hard work make me tired, and you know, in a few months I need to help Santa again, the Firmware code is an Open Source art of code, and you are invited to help Santa too, come with us spread happiness around the world#JULIALABSPCBCHALLENGE e #xmas2021https://github.com/kadu/rudolph-iot

Alat ini adalah pengembangan dari project sebelumnya, saya menambahkan rangkaian regulator switching step down, serta buzer dan modul i2c yang menjadi satu dalam satu pcb.Kamu bisa memerintahkan untuk memberi makanan melalui telegram, mengetahui status kapan terakhir diberi makan, dan bahkan masih bisa dipasangkan sensor suhu untuk mengetahui suhu akuarium kamu.

The QuinLED-An-Penta is a 5 channel ESP32 based analog PWM LED controller/dimmer! Designed to run WLED or ESPhome it is the ideal board for running LEDs standalone using an App or tied into Home Assistant natively! Designed to build yourself, easy to solder!Unique properties are high current handling, 2x onboard fuse, 4x Positive and 5x Negative (LED channels) terminals to run any combination of LED setup from RGB, RGBW to RGB+CCT (RGB + Dual White) all possible. The board has specifically been designed for high power setups where you might want to run several high powered white LED strips too, allowing a max of 10Amps over a single MOSFET or ~20Amps for the total board. Fully 12v and 24v compatible with a max input voltage of 36v for running other loads (flyback diodes and capacitor optional for inductive loads!).Using a pluggable ESP32 and the QuinLED-ESP32 the board can be configured with an ESP32 with onboard antenna, external antenna or even wired Ethernet!! Please note that to be able to build this board you will require to order a stencil with it !Total cost per board with components is less than xx.xx$. More information (part lists, (YouTube) tutorials, configuration examples, etc.) can be found on https://quinled.info !

This is a simple adapter/interposer which allows mikroBUS plug-in boards ("clicks") to be used with the Ten64.Compatible functionsThis adapter board is best suited for clicks that only use:I2CUARTGPIOSPI can be used with GPIO bitbanging (tested with Temp & Hum 16) but is otherwise not recommended.Ten64 does not have any analogue or PWM functions on it's GPIOs.mikroBUS pins CS and INT can be changed between 4-wire UART and GPIO depending on designed function with a jumper.Tested BoardsTemp and Hum 14Temp and Hum 16

### DESCRIPTIONMultipurpose CPU, with AT89S52 (SMD)This CPU is designed to work with the 7 segment SMD display, with serial control. It has an ISP connector for its programming, as well as auxiliary connectors to be able to use it in any other project. In this way different projects can be carried out, using a single PCB layout.Double 7 segment display with serial control:https://www.pcbway.com/project/shareproject/W56783BSN1_PCB_Display_2x7.htmlClock-Stopwatch-Temperature, chaining 4 x 7segment SMD modules with serial controlYouTube video:https://youtu.be/n02-_XXpT2EReflexes and coordination trainer with 6 buttons:The last assembly is focused on the rehabilitation and coordination of movements, being able to operate the buttons with the hands and the feet. The connection between the CPU and the control software is wireless, using the HC-05 Bluetooth module.YouTube video:https://youtu.be/mBfaJW9bmb8### LEARN / TOPIC / BUILD INSTRUCTIONSList of components with all kind of details to build a Clock-Chronometer-Thermometer, you can see them on my Web page:http://j-rpm.com.es/2017/11/construye-un-reloj-smd/Reflexes and coordination trainer:http://j-rpm.com/2021/12/entrenador-de-reflejos-y-coordinacion/...sorry, but it's in Spanish

Circuit OperationShort SW2 presses cycle through displaying the current time in HH:MM and MM:SS format as well as the 12/24-hour display format option. A short SW1 press while on the 12/24-hour display format will toggle the setting. A short SW2 press will then enter the timer mode. A short SW1 press will toggle the start/stop of the timer. A long SW2 press will reset the timer. The timer will continue to increment (if running) even when cycling through other modes. Timer currently resets after 60 minutes.A long SW1 press while viewing the current time in HH:MM format will enter the set time mode. The hours section will begin to blink. Short SW2 presses will increment the hour by 1. Holding SW2 down will cause the clock to increment quickly after 1 second. A short SW1 press will then move to the minutes where operation is similar to setting the hour. Another SW1 press will exit set time mode and the clock will return to display the current time.Short SW1 presses cycle through setting and enabling the alarm. When viewing the currently set alarm time, the display will blink. This is done to differentiate between viewing the current time and the currently set alarm time. While viewing the alarm time, a long press of SW1 will enter the set alarm mode, at which point only the digits being set will blink. Setting the alarm is similar to setting the current time.A short SW1 press while viewing the alarm or exiting out of setting the alarm will enter the enable/disable alarm mode. A short SW2 press will toggle this setting. A short SW1 press exist to the display current time mode.While setting the current time or alarm in 12-hour mode, the colon will be off to indicate AM and is on to indicate PM.Circuit diagram and bill of materials available in the download section.P.S. I am not the original author of this circuit.Thanks to: https://github.com/ruthsarian/at89c2051_clock

This is a E.S.P32 based robot that I made which can not only be controlled over the internet but also can sense its surroundings for any obstacle that might get into it’s path.I have used Nema 17 stepper motors for precision controlling and DRV8825 Stepper drivers to drive the motors.The case and wheels are designed in fusion 360 and entirely made out of 3d printed parts.And I have designed a custom PCB to connect all the electronics.The bot has VL53L0X Time-of-Flight ranging sensor in four corners to get all directional coverage.

SaviourInspirationThe countless stories and movies like the Lord of the Flies, Robinson Crusoe, Titanic, Cast Away, Six Days Seven Nights, etc. where the protagonist gets stuck on an island, even though it sounds very adventurous, but nonetheless the dangerous probability of it happening in real to people still remains. The idea behind Saviour was to create a hack that allows people to travel to remote locations without having to worry about getting lost or getting stuck there.What it doesSaviour is an emergency tool that is very powerful, in times of real juncture. Saviour can do radio signalings like the popular SOS signal or any emergency signaling. If one gets stuck in a deserted area, say on an island or some mountain, where the Mobile gets useless, due to no network coverage, radios are still there, which can be a very effective way of communication in that scenario, and still, they are used all way. Saviour uses Morse Code signaling via a radio transmitter, also with a LED. It also has an OLED display, that can translate any sentence to its Morse Code, and display that code on the OLED simultaneously transmitting the code over the air, and also flashing it via a LED. It also has a buzzer to sound, how the Code will sound. Now, it also contains a GPS that can get your direct coordinates. Since GPS satellites revolve all around the world, they can connect and get your current location. So with that not only Savior can send the SOS signal using radio, but Saviour sends the location details i.e. the latitude and longitude of the signal's origin location using the GPS. This will make it a lot easier for the search party to find the lost individual thus speeding up the process of the rescue operation. This hack is not only a very important tool that will come in handy for people going on a vacation or traveling because of work purposes but it can also be used as an educational tool for learning Morse code since it has a Morse Code translator.How we built itSaviour has four main parts - one is the Morse Code translator, indicator, transmitter, and the GPS. Firstly we created a menu-driven Graphics Interface for choosing the mode, whether the Morse Code or the GPS. This is done by a potentiometer to scroll, and a button to select. The Morse code translator is built by parsing the String sentence character by character and creating its Morse equivalent. According to the supported Characters, the program translates it to a Morse String. To create a sentence, we reused the same button and the potentiometer. The potentiometer, scrolls through the characters, and the button increments the cursor. Next, the Indicator was built using a small Buzzer and a LED which can also be used for signaling, and it is still considered to be an effective way. The buzzer plays the Morse Code with a Farnsworth speed of 10 in sync with the LED flashes. After that, a simple single transistor FM transmitter was built using a coil, capacitor, and transistor. Its job is to transmit the Morse code over open Air. Last but not least, the life saviour, the GPS. As the name suggests, this part contains a GPS, through which the NMEA data is received as packets. Those get parsed and fetch the coordinates and finally get transmitted via the transmitter. Now all these interfaces are displayed over an OLED display, and all of them get controlled by the Arduino.Challenges we ran intoMaking the interface was a bit tricky. Stopping abnormal flow or increment of button pushes using flags. Getting ready with the GPS. Since the GPS works best over open air. Printing the translated Morse Code on the OLED was a bit tricky too.Accomplishments that we're proud ofWe were in a bit of a time crunch since a lot had to be done, but we decided to work on one aspect at a time and finish that first. We are really proud to have overcome all the challenges like making the interface, making the FM transmitter. Displaying the morse code and listening to the buzzer to beep in accordance was a very proud moment. Thus bringing a mere project idea into life and that too in very little time is what we are very happy about. Saviour is a hack that we are very proud of building this tool because it can really help people in times of emergency.What we learnedWe learned with help of simple components, such as the potentiometer and button we can create such a good graphical interface. We learned how to drive OLED displays. Learned about Morse Codes, speed. Learned a bit about GPS and the NMEA protocol.What's next for SaviourWe are thinking of adding a digital compass, and an altimeter by which it can be used as a very powerful and absolute emergency item, and a normal human must-have.CreditsTo Deblina Chattopadhyay(deblinachattopadhyay280500@gmail.com) for making this project together.

The PCB gerber submitted is a new design for the prototyped circuit we have made for a hackathon. Here is its description.## InspirationAs more and more people have been working from home, the problem of natural lighting has been growing. During the pandemic, we personally experienced this issue because we lived in rooms where sunlight was scarce. The constant intensity and hue ceiling light made motivation very dull.## What it doesWith our custom code, the kit fetches the time from an NTP server and drives an LED strip at the corresponding intensity and hue of light.## How we built itUsing an ESP32, we fetched GMT time from a NTP Server, adjusted GMT time to local time zone, converted current time into an LED intensity value. The LED intensity was driven by adjusting the PWM duty cycle on the MOSFET driver and we simulated the MOSFET to make sure it can switch up to 10kHz which is the max PWM frequency of the ESP32. ## Watch our Presentation and Demo!https://docs.google.com/presentation/d/1mi4-n4dT8bwS4iG0mJ9_k5yZCrY3XL1ln9aOi6mdWBc/edit?usp=sharinghttps://youtu.be/3wxxrmfImcg