From d92650d95e575bfb91cd5be96731327120e27222 Mon Sep 17 00:00:00 2001 From: dakkar Date: Fri, 22 Feb 2019 14:23:18 +0000 Subject: more battery notes --- sensor/README.rst.txt | 8 ++++++++ sensor/power-calculations.ses | 12 ++++++------ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/sensor/README.rst.txt b/sensor/README.rst.txt index 2ed0294..c66d549 100644 --- a/sensor/README.rst.txt +++ b/sensor/README.rst.txt @@ -48,3 +48,11 @@ Upgrading my environment:: git subtree pull --prefix=sensor/patchedBLE/ \ https://github.com/nkolban/ESP32_BLE_Arduino.git master +New board is identical to https://www.adafruit.com/product/3405 "Adafruit HUZZAH32 – ESP32 Feather Board" + +Possible batteries: + +* https://www.aliexpress.com/item/3-7V-8000mAh-7566121-Lithium-Polymer-Li-Po-li-ion-Rechargeable-Battery-Lipo-cells-For-Tachograph/32919158535.html +* https://www.aliexpress.com/item/3-7V-8000mAh-126090-Lithium-Polymer-Li-Po-li-ion-Rechargeable-Battery-Lipo-cells-For-Recorder/32919162482.html +* https://www.aliexpress.com/item/Size-906090-3-7v-6000mAh-li-ion-Lipo-cells-Lithium-Li-Po-Polymer-Rechargeable-Battery-For/32919146776.html +* https://www.aliexpress.com/item/1-2-4-Pcs-3-7v-Voltage-Polymer-Lithium-Ion-Battery-6000mah-906090-Lipo-Rechargeable-Battery/32929375943.html diff --git a/sensor/power-calculations.ses b/sensor/power-calculations.ses index 25fee5a..725dc90 100644 --- a/sensor/power-calculations.ses +++ b/sensor/power-calculations.ses @@ -1,13 +1,13 @@ draw 130 mA from https://www.espressif.com/sites/default/files - capacity 4000 mAh + capacity 6000 mAh period 900 seconds high estimate, one sample every 15 minutes awake 10 seconds rough estimate energy per awake 0.3611111 mAh awakes per day 96 number energy per day 34.66667 mAh - days on battery 115.3846 days - months on battery 3.846154 months + days on battery 173.0769 days + months on battery 5.769231 months (ses-cell A1 "draw" nil nil nil) @@ -16,7 +16,7 @@ (ses-cell D1 "from https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf" nil nil nil) (ses-cell A2 "capacity" nil nil nil) -(ses-cell B2 4000 nil nil (B9)) +(ses-cell B2 6000 nil nil (B9)) (ses-cell C2 "mAh" nil nil nil) (ses-cell D2 nil nil nil nil) @@ -51,12 +51,12 @@ (ses-cell D8 nil nil nil nil) (ses-cell A9 "days on battery" nil nil nil) -(ses-cell B9 115.38461538461539 (/ B2 B8) nil (B10)) +(ses-cell B9 173.0769230769231 (/ B2 B8) nil (B10)) (ses-cell C9 "days" nil nil nil) (ses-cell D9 nil nil nil nil) (ses-cell A10 "months on battery" nil nil nil) -(ses-cell B10 3.8461538461538463 (/ B9 30) nil nil) +(ses-cell B10 5.76923076923077 (/ B9 30) nil nil) (ses-cell C10 "months" nil nil nil) (ses-cell D10 nil nil nil nil) -- cgit v1.2.3