diff --git a/04-adc/README.md b/04-adc/README.md
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--- a/04-adc/README.md
+++ b/04-adc/README.md
@@ -210,5 +210,13 @@ There are several features that are supported by the digital controller, and the
 
 When a digital operation is pre-empted by the arbiter on ADC2, the ` {sar_sel, ch_sel}` bits in the DMA data indicate this. `1110` is a sample that did not start, `1111` is a sample that did not complete, and the data is valid when those two bits equal the channel number.
 
+## Final notes on the ESP32-S3 ADC
+
+Aaaaaand I'm spent.
+
+![was it good for you too?](wasitgoodforyou.gif)
+
+The TRM has a ton of information on these peripherals, but I'll be honest, if you're not used to reading TRMs, this can get thick quick. I needed a couple days of digging through the manuals to make sense of it all. But I'm glad I did.
+
 ## Measuring Capacitance
 
diff --git a/04-adc/wasitgoodforyou.gif b/04-adc/wasitgoodforyou.gif
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Binary files /dev/null and b/04-adc/wasitgoodforyou.gif differ