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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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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
19591
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
TinyUPS is a simple 5V/2.5A uninterruptible power supply with a li-ion battery as a buffer, a load sharing power path management system and an ATtiny13 for monitoring power supply and battery charge l...
ATtiny13 TinyUPS SMD
2268
4
9
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
IntroductionA USB voltage and current meter based on STM32 can easily see whether the charger is working in fast charging mode, and can also easily test the power consumption of USB devices or the out...
USB voltage and current meter
2484
2
7
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
IP5306 + 18650 module drawn according to the circuit description, 4LED power display, 5V output maximum output current up to 2.4A. Use TYPE-C interface to charge, and USB-A + 2P terminal interface to ...
Li-ion 18650 charger IP5306
4708
1
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
This is a USB serial port download module, which leads out the necessary pins in the form of pins. It is mainly used for program downloading of ESP82266 and ESP32. 2. There is an automatic programming...
USB serial port test pin
1888
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
Hardware keylogger. Based on CH9350 and ESP8266, with Wi-Fi function. Installed between the USB interface and the keyboard USB cable, it can record all input on the keyboard. By connect...
USB Key logger
7203
10
9
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
PCB ruler gold version + silk screen version
PCB Ruler 20cm
2055
2
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
Hardware featuresESP32 WiFi, Bluetooth LE SoC - 240Mhz - Module ESP-WROOM-32Automatic select 3 power sources (DC6-28V, USB and Battery)Auto download Flash modeIntegrated SDCARD slot (support 1-bit mod...
ESP32 UNO Board
4557
1
15
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
This is a GPS positioning board based on EBYTE's E108-GN01 module design. Communication protocol: support NMEA0183 V4.1 and previous versions, the maximum fixed update frequency can reach 10HzFea...
Multi mode GPS positioning board
2679
0
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
STM32F103C8T6 MCU minimum system board, size 31.54mm×40mm, very small, suitable for embedding in your own project, all 34 IO ports are led out, the spacing is set, you can plug directly into the hole ...
Minimum system STM32F103C8T6
2982
1
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
Blynk Board is specially designed to work with the Blynk mobile app, for iOS or Android devices. Combining the Blynk Board with the Blynk app, you'll be able to easily complete a variety of Inter...
Blynk Board ESP8266
1813
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
SpecificationMCU: STC8A8K64S4A12 @27MHzDisplay: 0.96" OLED with 128x64 resolutionController: One EC11 EncoderInput: Single ChannelSec/div: 500ms, 200ms, 100ms, 50ms, 20ms, 10ms, 5ms, 2ms, 1ms, 500us, ...
Mini DSO Oscilloscope
3373
2
10
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
The core configuration1. STM32F030CCT6 MCU, with 256K FLASH, enough space2. 0.96 inch OLED screen, SPI interface.3. MICRO SD card, SPI interface4.&nb...
Fun and scalable geek handheld
2251
0
7
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
Compatible with OpenMV4 H7 smart camera image processing color patrol line code neural networkOpen source visual processing moduleMaster control STM32H743VIT6Four-way power supplyType-C socketMT9V034 ...
OpenMV4 H7 smart camera
3110
7
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
This is my dock\new project: it's a small dock (same size as the mini dock and the omega) for the Onion Omega 2 and 2+.I needed the smallest dock i could do, that featured:EthernetType A USB hostMicro...
Omega Dock
1816
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
This is a four-layer board TMC2208/TMC2209 stepper motor driver for 3D printers or writing machines.Features of TMC2208/2209:2-phase stepper motor, up to 2.8A coil current (peak), 2A RMSSTEP/DIR inter...
[Four-layer board] TMC2208 TMC2209 stepper motor driver
3823
0
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
585
40
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