From 46b806d66f562ec1febc2b6185bc1e1ce906767e Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Wed, 31 May 2017 13:06:24 +0800 Subject: [PATCH] fix R214 value --- hardware/errata.md | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/hardware/errata.md b/hardware/errata.md index 6d7006e..f76a7aa 100644 --- a/hardware/errata.md +++ b/hardware/errata.md @@ -13,7 +13,7 @@ Rev 1 * increase R307 -> 3.3Kohm and increase R500 -> 33Kohm * C201: oscillates at 0 and 1nF, stable at 100nF * add clamp diodes to GND on op-amp outputs to ADC when op-amp has negative supply -* R214 -> 4.7k +* R214 -> 7.5k * LM339PT is in TSSOP package. Change for SOIC P/N * GDT200 minimum firing voltage is too low * the relay model should be changed to 9001-05-00. 9001-05-02 is an undocumented normally closed variant. @@ -29,6 +29,5 @@ Rev 1 * review values of R226 and R113 * C100 -> 100pF NP0 AVX * use crystal type recommended by the MCU datasheet -* fix filament voltage protection threshold * 22k FBI current resistor -> 10k? * add connector for OLED display?