From 8c1cb3117c6e2c9b1e79eb6045b8a575b1cb35d5 Mon Sep 17 00:00:00 2001
From: linuswck <linuswck@m-labs.hk>
Date: Thu, 2 May 2024 17:48:47 +0800
Subject: [PATCH] README: Add notes on `i_tec` & `tec_i`readouts

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 0979001..1817f89 100644
--- a/README.md
+++ b/README.md
@@ -271,6 +271,8 @@ with the following keys.
 | `tec_u_meas`   | Volts           | Measurement of the voltage across the TEC            |
 | `pid_output`   | Amperes         | PID control output                                   |
 
+Note: With Thermostat v2 and below, the voltage and current readouts `i_tec` and `tec_i` are noisy without the hardware fix shown in [this PR][https://git.m-labs.hk/M-Labs/thermostat/pulls/105].
+
 ## PID Tuning
 
 The thermostat implements a PID control loop for each of the TEC channels, more details on setting up the PID control loop can be found [here](./doc/PID%20tuning.md).