From aee279b5790bf4ea05b97fcd1dca997fb659b550 Mon Sep 17 00:00:00 2001 From: Astro Date: Sun, 11 Oct 2020 21:50:36 +0200 Subject: [PATCH] README: doc --- README.md | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index d0fca53..1dc2e2e 100644 --- a/README.md +++ b/README.md @@ -115,6 +115,8 @@ s-h 0 b 3800 ## Thermo-Electric Cooling (TEC) +Connect the Peltier device to the TEC0/1-/+ outputs. + ### Limits Each of the MAX1968 TEC driver has analog/PWM inputs for setting @@ -127,7 +129,7 @@ Use the `pwm` command to see current settings and maximum values. | `max_v` | Volts | Maximum voltage | | `max_i_pos` | Amperes | Maximum positive current | | `max_i_neg` | Amperes | Maximum negative current | -| | Amperes | current control | +| | Amperes | Output current control | Example: set the maximum voltage of channel 0 to 1.5 V. ``` @@ -158,6 +160,14 @@ of channel 0 to the PID algorithm: pwm 0 pid ``` +## LED indicators + +| Name | Color | Meaning | +| --- | :---: | --- | +| R1 | Red | Firmware initializing | +| G3 | Green | Closed-loop mode (PID engaged) | +| G4 | Green | Firmware busy | + ## Reports Use the bare `report` command to obtain a single report. Enable