From 4ab656f07814aaa53744d5719b0fd5e977e61e3f Mon Sep 17 00:00:00 2001 From: Grace Copplestone <grace.copplestone@cba.mit.edu> Date: Thu, 17 Aug 2017 13:14:27 -0400 Subject: [PATCH] Update README.md --- README.md | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/README.md b/README.md index d8ea6c0..f19ffb8 100644 --- a/README.md +++ b/README.md @@ -23,27 +23,26 @@ The nRF52832 draws 5mA peak @ 3.3V The Hall Effect Sensor draws xmA @ 3.3V Assume whole device runs at peak load for 5% of the time - -P = IV = 5e-3 * 3.3 * 0.05 = 0.825 mW - -1 Wh = 1 watt for 1 hour - -0.825 mW for 365 days = 7.2 Wh - -E [wh] = (Q [mAh] * V [V])/1000 - +```math +P = IV = 5 * 10^{-3} * 3.3 * 0.05 = 0.825 mW +``` +```math +1 Wh = 1~watt~for~1~hour +``` +```math +0.825~mW~for~365~days = 7.2 Wh +``` +```math +E [Wh] = (Q [mAh] * V [V])/1000 +``` +```math Q = (1000 * 7.2)/3.3 = 2181 mAh +``` The CR2477 is one of the largest coin cell batterys (20mm diameter and 4.7mm thickness) and has a capacity of ~1000 mAh. An Alkaline AA battery can supply 1.5V with a capacity of 1800–2600 mAh -(Haven't found a good way to embed maths equations in the README and have them render in the Project page of the repo, there's http://www.sciweavers.org/free-online-latex-equation-editor and http://latex.codecogs.com/ but they require editing the equation through their website.) - -This is on a separate line -```math -a^2+b^2=c^2 -``` -- GitLab