From 91522ca2a642c593d1716e1a07989056a2f9b8cb Mon Sep 17 00:00:00 2001 From: Maximilian Stiefel Date: Wed, 3 May 2017 17:24:45 +0200 Subject: [PATCH] Update budget.csv --- etching/budget.csv | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/etching/budget.csv b/etching/budget.csv index a00d8a3..bcd1aa9 100644 --- a/etching/budget.csv +++ b/etching/budget.csv @@ -1,6 +1,6 @@ What?, Why?, Price -100 W heater, Get the acid on temperature, 7$ -3 W compressor, Move the acid arround the PCB (accelerates etching and gives better quality), 5.5 $ +100 W heater, Get the acid on temperature (accelerates etching and improves quality)., 7$ +3 W compressor, Move the acid arround the PCB (accelerates etching and gives better quality)., 5.5 $ 200 ohm resistors (300 pcs), For UV LEDs., 2.2 $ 100 UV LEDs, For the UV light. I tested those already., 15.7 € 18 V, 2 A power supply for the UV light., 4.6 $ @@ -13,3 +13,5 @@ Driller set, Drill holes with different sizes., 10 € Iron trichloride (FeCl3), Etches away copper (which is not protected by plastic)., 15.3 € Canister, Canister to put old FeCl3 (can kill bacteria because of the copper)., ? Soda (NaOH), Etch away plastic cracked by the UV light., 2 € +Some 3D printed parts, We can most likely print them at Ångström., 0 € +Developing trays, Developing PCBs and clean them in there., 25 €