---
active: false
tags:
  - project
  - eg
created: 2025-07-21 14:08
completed: 2025-08-30
---
## Goal

Build a human chain puzzle between the Berserker heads.
## Tasks

- [x] Test Berserker helmet resistance ➕ 2025-07-21 ✅ 2025-08-02
- [x] Create a case for the ADC board ➕ 2025-07-21 ✅ 2025-08-02
- [x] Design the resistor ladder circuit ➕ 2025-07-21 ✅ 2025-08-02
- [x] Attach wires to the underside of the Berserker helmets ➕ 2025-07-21 ✅ 2025-08-02
- [x] Install heads with plugs onto shelves ➕ 2025-07-21 ✅ 2025-08-02
- [x] Create the resistor ladder circuit ➕ 2025-08-02 ✅ 2025-08-04
- [x] Wire up an ADC board with Dupont pins ➕ 2025-07-21 ✅ 2025-08-30
- [x] Test out the ADC/resistor circuit with the heads ➕ 2025-07-21 ✅ 2025-08-30
- [x] Test that we can use the ADC board with the PWM board ➕ 2025-07-21 ✅ 2025-08-30
- [x] Calibrate the resistance and the ADC ➕ 2025-07-21 ✅ 2025-08-30
- [x] Install ADC board onto Tree of Life control board ➕ 2025-07-21 ✅ 2025-08-30
## References

- [[ADS1115 ADC Module]]
- https://www.instructables.com/How-to-Use-ADS1115-With-the-Raspberry-Pi-Part-1
- https://forum.arduino.cc/t/human-chain-body-conductivity/634793/5
- https://www.youtube.com/watch?v=m5PfKb8p1YI&t=667s
- https://www.patreon.com/c/playfultech/posts

![[Pasted image 20250721140847.png]]

![[Pasted image 20250721145033.png]]