LiPo battery charger, protector and 5V booster based on the IP5306 with USB-C input featuring:
- synchronous switch-mode charging with up to 2.1A / 91% efficiency,
- discharging with up to 2.4A,
- 5V boost converter with up to 92% efficiency,
- integrated power-path management (charging battery and 5V output at the same time),
- voltage based fuel gauge indication with 4 LEDs,
- on/off key,
- smar...
Simple USB-C Power Delivery Tester based on ATtiny45/85 and INA219. You can switch between different screens by pressing the SET button. Due to the internal structure of the USB-C cables, it may be necessary to change the orientation of one of the cable plugs.
|Parameter|Value|
|-|-|
|Voltage|5V - 20V|
|Current|max 5A|
|Resolution|4mV / 1mA|
 and to push them to a centralized server through Wi-Fi. This is the enriched successor of the Basic Board V1, that improves different aspects:
- energy efficiency (lower consumption during deep-sleep)
- onboard recharge for single-cell Lipo battery
- measurement of battery level based on...
MPConnector (Modular Power Connector) is a serie of breakout boards carrying power connectors such as jack (in various sizes), usb-c, micro usb, mini usb.. They share the same pins and form factors to be easily placed and hand-soldered on your circuit.
To ease the soldering phase, the boards has castellated pins.
NOTE for production: you must set "castellated hole" when ordering on JLCPCB. This...
The ESP Programmer is the successor of [ESP8266 Programmer](https://easyeda.com/fabiano.riccardi/esp8266-programmer), a board to upload firmware on ESP8266, ESP32, and ESP32-S2. Like the predecessor, it benefits the USB-C connector, but it is improved replacing the CH340 with Silicon Labs CP2104 USB-serial converter (smaller footprint), adding 2 LEDs to show the status of RX and TX line and improv...
Homely WSN Basic Board (V1) is an IoT board to collect environmental data (temperature, humidity and pressure) and to push them to a centralized server through Wi-Fi.
## Main components
- ESP8266 (ESP-12S)
- Digital temperature and humidity sensor Sensirion SHT30
- Digital temperature and pressure sensor Bosch BMP280
- RTC Maxim Integrated DS3231
- Reset and User buttons
- Switch ON/OFF
- Low qu...
ESP8266 Programmer is a breakout board to upload firmware on ESP8266. It benefits of USB-C connector, the new de-facto standard on the market.
It is designed to be attached to Lolin/Wemos D1 mini shield. If you are not going to use this form factor, you can break the external frame, gaining some mm^2 ([video](https://youtu.be/vi9zZSLOqzo)). Despite the name, it can be also used to program ESP32 an...
A slightly different approach to USB-C power delivery by combining a PD maximum voltage trigger (IP2721, up to 20V) and a buck converter (MP2307). The output voltage can be selected via the voltage divider (R5 + R6). The maximum output current is 3A.
Very simple USB-C Power Delivery trigger board based on the IP2721 that requests the maximum voltage (up to 20V) from the power supply.
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