Battery-Powered Multi-Button Controller with Seeed Studio nRF52840
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Circuit Documentation
Summary
This document provides a detailed overview of a circuit design that includes multiple pushbuttons, a Seeed Studio nRF52840 microcontroller, and a Polymer Lithium Ion Battery. The circuit is designed to interface the pushbuttons with the microcontroller and power the system using the battery.
Component List
Pushbutton
- Description: A simple pushbutton switch.
- Pins:
- Pin 1 (in)
- Pin 2 (in)
- Pin 3 (out)
- Pin 4 (out)
Seeed Studio nRF52840
- Description: A microcontroller module based on the nRF52840 SoC.
- Pins:
- VUSB
- GND
- 3V3
- 10
- 9
- 8
- 7
- 6
- 5
- 4
- 3
- 2
- 1
- 0
- NFC1
- NFC2
- B-
- B+
Polymer Lithium Ion Battery - 850mAh
- Description: A rechargeable lithium-ion battery.
- Pins:
- GND
- VCC
Wiring Details
Pushbutton 1
- Pin 1 (in): Connected to GND of Seeed Studio nRF52840.
- Pin 4 (out): Connected to Pin 4 of Seeed Studio nRF52840.
Pushbutton 2
- Pin 1 (in): Connected to GND of Seeed Studio nRF52840.
- Pin 4 (out): Connected to Pin 3 of Seeed Studio nRF52840.
Pushbutton 3
- Pin 1 (in): Connected to GND of Seeed Studio nRF52840.
- Pin 4 (out): Connected to Pin 2 of Seeed Studio nRF52840.
Pushbutton 4
- Pin 1 (in): Connected to GND of Seeed Studio nRF52840.
- Pin 4 (out): Connected to Pin 1 of Seeed Studio nRF52840.
Pushbutton 5
- Pin 1 (in): Connected to GND of Seeed Studio nRF52840.
- Pin 4 (out): Connected to Pin 0 of Seeed Studio nRF52840.
Seeed Studio nRF52840
- GND: Connected to Pin 1 (in) of all Pushbuttons.
- Pin 4: Connected to Pin 4 (out) of Pushbutton 1.
- Pin 3: Connected to Pin 4 (out) of Pushbutton 2.
- Pin 2: Connected to Pin 4 (out) of Pushbutton 3.
- Pin 1: Connected to Pin 4 (out) of Pushbutton 4.
- Pin 0: Connected to Pin 4 (out) of Pushbutton 5.
- B-: Connected to GND of Polymer Lithium Ion Battery.
- B+: Connected to VCC of Polymer Lithium Ion Battery.
Polymer Lithium Ion Battery - 850mAh
- GND: Connected to B- of Seeed Studio nRF52840.
- VCC: Connected to B+ of Seeed Studio nRF52840.
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each section is designed to offer clear and concise information to facilitate understanding and implementation of the circuit.