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--- microcontrollers_and_microprocessors [2023/09/16 22:27] – [Microcontrollers] jhagstrand
+++ microcontrollers_and_microprocessors [2023/09/18 06:15] (current) – jhagstrand
@@ Line 22: / Line 22: @@
-^ microcontroller ^ microprocessor  ^
+^ microcontroller             ^ microprocessor                  ^
-| Arduino Uno     | Atmel ATmega328 |
+| Arduino Uno                 | Microchip ATmega328             |
-| Arduino ?       | Atmel ATtiny85  |
+| Arduino Mega                | Microchip ATmega328             |
+| Arduino Pro Mini            | Microchip ATmega328             |
+| Arduino Nano                | Microchip ATmega328             |
+| Arduino Nano Every          | Microchip ATmega4809            |
+| Arduino Nano 33 BLE         | Nordic Semiconductor nRF52840   |
+| Arduino Nano 33 BLE Sense   | Nordic Semiconductor nRF52840   |
+| Arduino Nano 33 IoT         | Microchip SAMD21                |
+| Arduino Nano RP2040 Connect | Raspberry Pi RP2040             |
+| Arduino Nano ESP32          | Espresif ESP32                  |
+| u-blox NORA-W106-10B        | Espresif ESP32-S3               |
+| Digispark ATtiny85          | Microchip ATtiny85              |
+Atmel started operations in 1984 and was acquired by Microchip Technology in 2016.
 mount \\
@@ Line 57: / Line 68: @@
 Wifi 6 does NOT imply 5GHz
+=== Prototyping Electronic Circuits ===
+Three types of boards.  All use square grid of 0.1 inches (2.54 mm) spacing to accomodate DIP chips.
+perfboard - holes, each hole surrounded by with square or round solder pad
+stripboard - holes and strips, aka Veroboard
+breadboard - solderless holes and strips, aka protoboard
+stacking with standoffs