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Sebastian Lang
14 €
11 €
6 €
3 €
11 €
10 €
5 €
2 €
Quelle: https://espressif.com/en
Espressif Systems (Shanghai) Pte. Ltd. is a fabless semiconductor
company, with headquarter in Shanghai Zhangjiang High-Tech Park,
providing low power Wi-Fi and Bluetooth SoCs and wireless
solutions for the Internet of Things (IoT) applications.
VS
Arduino UNO ESP8266-201
CPU 8 BIT @ 16 MHz 32 BIT @ 80 MHz
RAM
2 KB (SRAM)
1 KB (EEPROM)
64 KB (COMMAND)
96 KB (DATA)
FLASH 32 KB 512 KB
LAN / WLAN 1 / - - / 802.11 b/g/n
Digital I/O Pins 14 16
Analog Input Pins 6 (10-Bit) 1 (10-Bit)
Power Supply 7 - 12 V 3.3 V
Size 68.6 x 53.4 mm 25 x 35 mm
Weight 53 g 4 g
Prize ~ 20 € ~ 5 €
– Leonardo Da Vinci
„Die meisten Probleme
entstehen bei ihrer Lösung.“
Quelle: http://adlerweb.deviantart.com/art/ESP8266-ESP-201-Module-Pinout-Diagram-Cheat-Sheet-575951137
Quelle: https://atulnivyadav.wordpress.com/2015/07/18/iot-encounter-with-esp8266-201-module/
Quelle: https://learn.sparkfun.com/tutorials/serial-peripheral-interface-spi
?
Quelle: http://www.esp8266.com/viewtopic.php?f=6&t=2431
1.8 TFT GND VCC Reset A0 SDA SCK CS LED+ LED-
ESP-201 GND 3.3V IO5
XPD
(GPIO16)
IO13 IO14 IO4 3.3V GND
Quelle: https://github.com/norm8332/ST7735_ESP8266
9 V 3,7 V
Quelle: http://rayshobby.net/multiple-button-inputs-using-arduino-analog-pin/
RSSI
Signalstärke
> -35 dBM Perfekt
> -50 dBM Gut
-50 dBm to -69 dBm Ausreichend
-70 dBm to -95 dBm Schlecht
< -95 dBm Kein Signal
router.fftr
115 mA / 250 mAh LiPo (3.7V)
Quelle: http://freepsdfiles.net/graphics/battery-icon-psd
Quelle: https://wiki.maschinendeck.org/wiki/Freifunk-Scanner
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