From 9a1d839e19e298e8c019ed3250bf127a879c6155 Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Tue, 13 Feb 2018 18:26:13 +0800 Subject: [PATCH] update errata --- README.md | 2 +- hardware/errata.md | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 16c1654..3353d2f 100644 --- a/README.md +++ b/README.md @@ -3,7 +3,7 @@ ionpak A modern, low-cost universal controller for hot-cathode ionization vacuum gauges. -![Test setup](https://raw.githubusercontent.com/m-labs/ionpak/master/pictures/full_ionpak_front_resized.jpg) +![ionpak picture](https://raw.githubusercontent.com/m-labs/ionpak/master/pictures/full_ionpak_front_resized.jpg) Why? ---- diff --git a/hardware/errata.md b/hardware/errata.md index 7d209e7..359bef3 100644 --- a/hardware/errata.md +++ b/hardware/errata.md @@ -44,3 +44,5 @@ Rev 1 * add plated-through holes and pads for mounting rods of BNC connector * simplify FBI circuit, 2 ranges only (typ. 8mA and 45mA), remove diodes and neglect MOSFET leakage * to support different case designs, replace the holes on the connectors side with slots. One of the case designs requires holes whose center is at 11.5mm from the board edge. +* review choice of external LED connector type and clearance +* if using a non-polarized connector, change pinout so that connecting the LEDs the wrong way cannot cause damage