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DIY Smart Multipurpose Battery Tester
Green Energy Oct 14,2024
In recent years, the market has been flooded with low-cost batteries, many of which originate from unregulated manufacturers. A significant concern with these batteries, is the inaccurate labeling of capacity. Often, these batteries claim to have high capacities sometimes exceeding 10,000mAh at prices that seem too good to be true. In reality, many of these batteries fall far short of their advertised capacity, providing poor performance and posing potential safety risks due to overcharging or o...
7th Design Contest-Electronic Project Arduino DIY
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Advance Arduino Nano Board
Maa Oct 13,2024
Presenting the Arduino Nano – a modern and smart version of the Arduino Nano with an array of powerful features for makers and engineers. Built with the original ATMEGA328P chip, this advanced board integrates a Type-C input, offering seamless connectivity and ease of use. Operating at 16MHz, it delivers the reliable performance you’ve come to expect from the classic Nano but with a sleek, upgraded design.With its compact size and enhanced functionality, the Nirmal Nano is ideal for projects req...
7th Design Contest-Electronic Project ESP8266 Arduino
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Dis - analog-digital thermometer
L. Oct 11,2024
Features a scale from -40 to 50C with a light on every degree mark. Also 2 switches for power and configuration.On the back is a holder for an 18650 cell which also acts as a stand, a USB port for charging and programming and a JST-XH connector for an external thermistor probe.The brains is an ESP32-C3 chip and for temperature sensing it currently uses the TMP235A.
7th Design Contest-Electronic Project ESP32 LED
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ESP32-IoT-DEV_BOARD
Oct 10,2024
Progetto per scheda ESP32 , per sviluppo device IoTNumber of Unique Parts: 20Number of SMD Parts:38Number of Through-Hole Parts:3
ESP32
338
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Wifi-connected Nixie Clock
Meier Oct 07,2024
This is a driver board for 6 Nixie Tubes in two break-apart sections. The Tubes are driven by K155ID1 (7441/74141 compatible) BCD drivers on the first section. The inputs into first sections are 5V-level BCD signals for each tube. A separate +170VDC power supply will be needed to power this board.The second section includes a 24-bit shift registers (comprised of three 74HC595 8-bit shift registers) that can be driven by Arduino (or other) using only 3 digital signals (serial clock, serial latch,...
7th Design Contest-Electronic Project Clock Nixie Clock
1331
6
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2.4GHz receiver circuit using ESP32, nRF24L01 with IC motor controller L298N
Nguyen Oct 06,2024
Hello all, this PCB is a receiver for a RC car toy, it uses ESP32 as the main controller, nRF24L01 to conmunicate with transmitter, and the IC motor controller L298N is interated to this board as a subboard, so you can control up to 2 motors DC, or you can duplicate this subboard to expand the number of motors that you want to control.
Arduino DIY ESP32
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Fast Audio Spectrum Analyzer
Donners Oct 05,2024
This design is nothing if not amazing! Imagine 3500 Colored LEDS dancing around to the music at a very high refresh rate.All controlled by a single $2 micro controller that is fed music using a Bluetooth connection.Best of all it's open source so anyone can build it! All production files and firmware are includedBluetooth audio connectiondriving 3584 pixelleds using 14 serial connections, simultaniouslyI2S audio output120 FPSbackground animationCartoon characters on displayDid I mention that it ...
ESP32 LED DIY
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G-EDM Motionboard
Lautensack Oct 01,2024
Note from PCBWay: This page only includes the motionboard. To build the G-EDM it also requires the pulseboard.Link to the EVOIII pulseboard: https://www.pcbway.com/project/shareproject/G_EDM_EVOIII_Pulseboard_47cdc1b8.htmlThis is the EVOII Motionboard and it will be replaced by the EVOIII Board. The core circuit remains the same but the EVOIII has a better layout:EVOIII Motionboard: https://www.pcbway.com/project/shareproject/W532897ASC41_motionboard_evoIII_rev3_bb113e0f.htmlWorking with metals ...
7th Design Contest-Electronic Project CNC machining Microcontroller
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ESP32S3 HDC1080 Humidity and Temperature Sensor
Useful Electronics Sep 30,2024
https://youtu.be/_COrWrPWUgUIn this tutorial, we build a complete indoor environment monitoring device by interfacing the HDC1080 temperature and humidity sensor alongside the SGP40 air quality sensor, both running on the same I2C bus. We'll walk through the sensor driver integration with the ESP32S3 microcontroller and use a logic analyzer to inspect the data exchanged between the sensors and the MCU. The collected data is displayed on a 2.8" TFT screen in both graphical and numerical formats.W...
ESP32 Display Sensor
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BEAPER Nano 1.0: the Beginner Electronics and Programming Educational Robot circuit for Arduino Nano ESP32
Rampelt Sep 29,2024
When the Arduino Nano ESP32 was released with a combination of a fast, powerful microcontroller, lots of memory, built-in wireless capability, and all of its features squeezed in the tiny Nano form factor, I knew it would make a great microcontroller for many kinds of advanced circuit projects. When I found out that it could be programmed using both C/C++ and MicroPython, I knew it would also be an incredibly flexible microcontroller for use in education.With my background as a high school compu...
Arduino EP32 Robot
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Popular Project
A Modified zFlip 5
With many Samsung zFlip phones hitting the unfortunate fate of a broken folding screen, I took it as an opportunity to build my own silly phone. Taking only the minimum parts required for the phone to...
ESP32-BlueJammer
The ESP32-BlueJammer (Bluetooth jammer, BLE jammer, WiFi jammer, RC jammer) disrupts various devices using an ESP32 and nRF24 modules, causing plenty of noise and sending unnecessary packets (DoS).It ...
Air Quality Monitor
The Air Quality Monitor is a compact, ESP32-C3–based device designed to track and display key indoor environmental metrics in real time. At its core, it integrates the Sensirion SEN54 for particulate ...
Flipper Zero Dev Board: BW16 RTL8720DN 2.4 GHz & 5 GHz Deauther
Upgrade your Flipper Zero with the AI Thinker BW16 RTL8720DN Dual-Band WiFi Expansion Board. Enhance your device's connectivity capabilities with support for both 2.4 GHz and 5 GHz WiFi bands. Perfect...
🔋 How to Make a Power Bank Module at Home
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