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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
DIY Mechanical Macro Keypad ― Ocreeb
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
Frog Boy Color
espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
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Synthesizer UA7KJ Mega2560 Si5351 TFT3.2 mod R2AJI v1.1http://www.cqham.ru/forum/showthread.php?34517-Synthesizer-on-Mega-2560-3-2-TFT-LCD-Si5351-V2-0
Synthesizer UA7KJ ArduinoMega2560 Si5351 TFT3.2 mod R2AJI v1.1
45480
7
39
Karpelyanskiy Vladimir
Karpelyanskiy Vladimir
RUSSIAN FEDERATION, THE
160
1
The lithium battery charging protection board type-c interface is more general + mp2144 40ua standby, single lithium battery buck chip output 1.8v in this case. Change to 1.5V battery for battery.
TP4056 charging plus protection MP2144 synchronous rectification buck
19316
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Automatic antenna tuner development N7DDC. GAINTA G760 housingForum: http://hamforum.ru/viewtopic.php?f=14&t=7
N7DDC ATU100 7x7 mod R2AJI case G760
17486
2
23
Karpelyanskiy Vladimir
Karpelyanskiy Vladimir
RUSSIAN FEDERATION, THE
160
1
Synthesizer UA7KJ ATMega2560 + Si5351 + TFT3.2 mod R2AJI v2.1 case Ganita G717Forum: http://www.cqham.ru/forum/showthread.php?34517-Synthesizer-on-Mega-2560-3-2-TFT-LCD-Si5351-V2-0
Synthesizer UA7KJ G717 Mega 2560 Si5351 mod R2AJI V2.0.1
15807
1
26
Karpelyanskiy Vladimir
Karpelyanskiy Vladimir
RUSSIAN FEDERATION, THE
160
1
Two balancers for different voltages are combined on one board. The balancing current is 2x1.8 A when using 2 Ohm load resistors. The current can be increased. The operating voltage can be adjusted by...
lifepo4 (Li-ion) balancer (Equalizer). Two switching thresholds. Current 2 x 1.8A (сan increase). + active balancer
15007
6
29
Bandenok Dmitriy Anatolevich
Bandenok Dmitriy Anatolevich
RUSSIAN FEDERATION, THE
54
1
Solar charge controller with MPPTGitHub project!The charge controller is controlled using a specialized STM32F334C8T6 microcontroller with a high-resolution PWM controller (HRPWM) on board. The use of...
Solar charge controller with MPPT
14443
6
21
Ilya
Ilya
RUSSIAN FEDERATION, THE
28
7
Can measure all kinds of transistors, resistance, capacitance, inductance, can measure the frequency, can also output the waveform.Tft large screen display, the measurement results are more detailed.
Transistor tester GM328A
12887
0
18
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
### DESCRIPTIONPulse Induction Metal Detector SurfMaster-PI-micro (White's Surf Master replica based on PIC16F676 or PIC16F684)### TECHNICAL DETAILS / COMPONENTS- pulse induction technology- ...
SurfPiMicro_Var_1.00
12615
7
10
Ivan Gromov
Ivan Gromov
RUSSIAN FEDERATION, THE
33
0
### DESCRIPTIONUniversal crossover board for Radiotehnika S-30/S-30B speakers (S-30A has no crossover).In both types of speakers resistors and coils have to be taken from the stock boards, but new fil...
RRR S-30 crossover (FLT6.S30U.04)
12111
2
51
Maksim Kryukov
Maksim Kryukov
RUSSIAN FEDERATION, THE
47
31
T12 Quick Heating Soldering Station featuringTemperature measurement of the tipTemperature control via rotary encoderBoost mode by short pressing rotary encoder switchSetup menu by long pressing rotar...
ATmega SolderingStation SMD
9478
6
27
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
2.4A synchronous boost conversion, 2.1A synchronous switch chargingBoost efficiency up to 92%Charging efficiency up to 91%Built-in power path management, support charging and dischargingAdaptive charg...
Based on IP5306 3.7V boost 5V charging
8970
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
A 3D printer control board based on ESP32This is a 3D printer control board based on the ESP32 microcontroller, which comes with built-in WiFi and BlueTooth.Current version: v0.5rev1 ...
3D printer control board based on ESP32
8888
2
12
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Boards:The dimensions of the board are less than 100x100mm.All components are output, soldered even by a beginnerThe number of components is minimized!The system consists of two boards: the bottom (al...
Nixie Clock on IN-12 and Arduino v2
8245
6
19
semuha
semuha
RUSSIAN FEDERATION, THE
19
3
### DESCRIPTION50W (30W), 12V to 24V, Three-Phase Sensorless BLDC Motor Driver### TECHNICAL DETAILS / COMPONENTS### LEARN / TOPIC / BUILD INSTRUCTIONS
DRV10987 \ DRV10983-Q1 BLDC Motor Driver
8155
5
4
Engineer
Engineer
RUSSIAN FEDERATION, THE
5
0
As is often the case, you need to know the stabilitron voltage, and there is nothing at hand. This project has been put together to solve this problem. A video was also made of it:
Zener Diod Tester
8149
8
14
Naumenko Andrei Aleksandrovich
Naumenko Andrei Aleksandrovich
RUSSIAN FEDERATION, THE
14
0
GRBL Writing Machine ControllerSupport stepper motor/steering gear/electromagnet to liftSupport BluetoothSupport wifiSupport offline operationSupport text transmissionInput Only (no pullup/pulldown) I...
Writing machine controller ESP32 GRBL
7646
1
17
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
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