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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
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Solar Powered WiFi Weather Station V2.0
Tad Boy Color
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iSpndel_4.0
Arduino RC engine sound & light controller with inertia simulation for ESP32
Frog Boy Color
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
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This is ethernet gateway for RS485 (wired) MySensors nodes. It features ATmega328p MCU and ENC28J60 ethernet chip. SP485EE or similar IC is used as RS485 transceiver. It works on hardware serial to en...
RS485 Ethernet Gateway
2805
0
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
It is a small board, compatible with Arduino and ready for RS485 wired communication. Technical Specification:ATmega328p microcontroller,SP485EE for RS485 wired bus communication (working on hard...
RS485 MCU Module
2571
0
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
MQTT wifi wall switch using ESP8266-01Switch can be controlled via MQTT or touch button.it is well suited for 68mm Europe wall boxes.Switch is based on wifi board ESP8266-01.Code i...
MQTT wifi wall switch
4357
0
19
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Working range: input AC220V + -10%, output 0 ... 30V adjustable, current 0 ... 1A adjustableUsing isolated flyback switching power supply structure, high efficiency, primary and secondary side isolati...
CNC Power Supply
3592
0
9
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Using IP5306 lithium battery charge and discharge chip and PT4115LED constant current driver IC, it can charge and discharge 18650 battery and can also be used as LED lamp. The red circle 1 is th...
18650 lithium battery LED light
3396
2
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
This design is a minimum system based on ATMEGA32U4 microcontroller (leonardo minimum system) . ATMEGA32U4 microcontroller is a more commonly used keyboard and mouse simulation chip, which can be used...
ATMEGA32U4 Development Board
3795
4
4
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Characteristic· No PWM generator, need to connect external microcontroller or 3525 and other control circuits.· ...
Full bridge module for high power brush motor drive inverter
2148
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
1. This control board combines ramps1.4 and maga2560, use more convenient micro USB interface to flash firmware,adopt CH330 USB communication IC2. A4988 motor driver chip is adopted, and 16 subdivisio...
3D printer motherboard
6662
1
8
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Domestic LGT8F328P chip, compatible with Atmega328p chip. Pin size order is compatible with Arduino NANO.Using TypeC interface, USB to serial port using CH340K chip.The use of cylindrical crystal...
LARDUINO NANO
2777
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Domestic LGT8F328P chip, compatible with Atmega328p chip. Pin size order is compatible with Arduino UNO.Using TypeC interface, USB to serial port using CH340K chip.The use of cylindrical crystals...
LARDUINO UNO
2215
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
This module uses a tp4056x lithium battery charging chip, an improved version of the old version of TP4056 chip! With battery positive and negative reverse connection protection,input power ...
Smallest TP4056 charger
2774
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Arduino is very convenient, but the performance is not very good, STM32 is powerful, and programming is too complicated? Come, let's combine STM32 and Arduino. STM32Duino is here. Use t...
STM32 Duino
2273
0
4
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
· The WiFi firmware cannot be used directly, because the IIC pin definition is different, and you need to modify the source code and flash it in. The mod...
ESP8266 smart watch
4205
0
14
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
Active DC constant current electronic load, using Intel 775 radiator, design power 90W (actually stable 120W), comes with voltage and current meter.Use Intel 775 heatsinkActive design, power supply vo...
Active DC constant current electronic load
5469
1
10
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
My two favorite effects: Breathing Light and Gradient, can be displayed vividly in RGB, so I also have a special liking for RGB, so I will use this RGB light in the future. One is lighting and the oth...
ESP8266 RGBWW five-way dimming driver board Lightning
3684
2
4
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
IP6505 should be one of the cheapest fast charging solutions now. ** Note that the chip has a T suffix, which is different from the IP6505 pin. Not universal ** The input is DC5521 interface...
Fast charging module IP6505T
3399
0
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
617
40
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